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Hydrogen atom frequency standard storage bubble opening vacuum sealing device and vacuum sealing method

A vacuum sealing and bubble port technology, which is applied to valve devices, engine sealing, engine components, etc., can solve problems such as micro-leakage and equipment scrap, avoid micro-leakage, improve sealing reliability, and ensure long-term reliable operation. Effect

Pending Publication Date: 2019-10-08
BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This application proposes a vacuum sealing device and vacuum sealing method for hydrogen atomic frequency standard storage bubble mouth, aiming to solve the micro-leakage of hydrogen atomic frequency standard in the vacuum seal during assembly and debugging or even later use in the prior art , leading to the scrapping of the whole equipment

Method used

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  • Hydrogen atom frequency standard storage bubble opening vacuum sealing device and vacuum sealing method

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Effect test

Embodiment 1

[0024] A hydrogen atom frequency standard storage bubble mouth vacuum sealing device, see figure 1 The hydrogen atomic frequency standard storage bubble mouth vacuum sealing device includes a copper nut 3 sleeved outside the upper part of the longitudinal tubular storage bubble mouth 1, and a longitudinal tubular glue is arranged between the storage bubble mouth 1 and the copper nut 3 Layer 2, the bottom of the copper nut 3 is provided with an annular wave spring washer 4, a first titanium ring 5, a polytetrafluoroethylene ring 6, a second titanium ring 7 and an indium wire ring sleeved outside the storage bubble opening 1 in sequence. 8. The lower end of the storage bubble port 1 is provided with a ring-shaped polytetrafluoroethylene cap 9, the lower part of the copper nut 3, and the wave spring washer 4, the first titanium ring 5, the polytetrafluoroethylene ring 6, and the second titanium ring 7 , the indium coil 8 and the polytetrafluoroethylene cap 9 are provided with a l...

Embodiment 2

[0034] A vacuum sealing method of a hydrogen atom frequency standard storage bubble mouth vacuum sealing device as described in embodiment 1, comprising the following steps,

[0035] Assemble the titanium connector 10 to the corresponding position of the hydrogen atom frequency standard;

[0036] Take the storage bubble to be sealed, and place a copper nut 3, a wave spring washer 4, a first titanium ring 5, a polytetrafluoroethylene ring 6, and a second titanium ring at the storage bubble opening 1 of the storage bubble to be sealed in sequence 7. Indium coil 8 and polytetrafluoroethylene cap 9;

[0037] Place the storage bubble port 1 into the titanium connector 10, and confirm that the storage bubble port 1 is pressed to the bottom end of the titanium connector 10;

[0038] Tighten the copper nut 3;

[0039] Connecting the hydrogen atomic frequency standard to a leak detector through a valve for leak detection;

[0040] When the leak rate is higher than the leak rate set ...

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Abstract

The invention discloses a hydrogen atom frequency standard storage bubble opening vacuum sealing device and a vacuum sealing method. The hydrogen atom frequency standard storage bubble opening vacuumsealing device comprises a copper nut which is arranged outside the upper part of a longitudinal tubular storage bubble opening in a sleeving mode, wherein a longitudinal tubular adhesive layer is arranged between the storage bubble opening and the copper nut, an annular waveform elastic pad, a first titanium ring, a polytetrafluoroethylene ring, a second titanium ring and an indium wire ring which are arranged outside the storage bubble opening in a sleeving mode are sequentially arranged below the copper nut, the lower end of the storage bubble opening is provided with an annular polytetrafluoroethylene cap, and a longitudinal tubular titanium connecting piece is correspondingly arranged outside the lower part of the copper nut, the waveform elastic pad, the first titanium ring, the polytetrafluoroethylene ring, the second titanium ring, the indium wire ring and the polytetrafluoroethylene cap in a sleeving mode. According to the hydrogen atom frequency standard storage bubble opening vacuum sealing device, a hydrogen atom frequency standard can be protected against microleakage at the vacuum sealing position of the bubble opening in the assembling and adjusting process or even in the later use process, the sealing reliability is improved, and the long-term reliable operation of the hydrogen atom frequency standard can be guaranteed.

Description

technical field [0001] The present application relates to the technical field of architectural decoration, in particular to a vacuum sealing device and a vacuum sealing method for hydrogen atom frequency standard storage bubble openings. Background technique [0002] At present, the method for vacuum sealing the storage bubble mouth of the hydrogen atomic frequency standard is: place an indium wire coil of a specific specification in the gap between the storage bubble mouth and the bubble connector, and place a titanium ring and a copper coil on the top of the indium wire coil in sequence. Nut, by screwing the copper nut, the titanium ring is subjected to a downward force, causing the indium wire ring to be deformed by force, filling the gap space between the storage bubble and the bubble connector, and finally confirming the leakage between the copper nut and the bubble mouth wall Dispensing glue is carried out in the gap, and when the vacuum is prepared in the storage bubb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/06F16K37/00
CPCF16J15/06F16K37/00
Inventor 王文明张继红李晶高连山刘硕操春燕高平曹春宝
Owner BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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